GBT 4237 1Cr12 heat resistant steel is martensitic stainless steel for turbine blades and high stress components. It is composed of carbon, manganese, chromium, nickel and other chemical substances with high tensile strength. According to GB/T 20878-2007, the new grade of 1Cr12 is 12Cr12.
GBT 4237 1Cr12 heat resistant stainless steel plates sheets heat treatment specification:
1) anneal, 800~900 degree slow cooling or about 750 degrees fast cooling.
2) quenching, oil cooling at 959~1000 degrees.
3) tempering at 700~750 degree fast cooling.
GBT 4237 1Cr12 heat resistant stainless steel plates sheets delivery status: generally delivered in heat treatment, the type of heat treatment is indicated in the contract, and not specified, delivered according to non heat treatment condition.
GBT 4237 1Cr12 heat resistant stainless steel plates sheets chemical composition:
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
| Max 0.15 | Max 0.50 | Max 1.00 | 0.035 | Max 0.03 | 11.50-13.00 | Max 0.60 |
GBT 4237 1Cr12 heat resistant stainless steel plates sheets mechanical properties:
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) |
| 681 (≥) | 476 (≥) | 12 | 42 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 222 |
GBT 4237 1Cr12 heat resistant stainless steel plates sheets physical properties:
| Temperature (°C) | Modulus of elasticity (GPa) | Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) | Specific thermal capacity (J/kg·°C) | Specific electrical resistivity (Ω mm²/m) | Density (kg/dm³) | Poisson’s coefficient, ν |
| 42 | - | - | 0.34 | - | |||
| 841 | 175 | - | 44.3 | 333 | - | ||
| 716 | - | 32 | 12.2 | 141 | 211 |
BBN steel is able to supply GBT 4237 1Cr12 stainless steel plates sheets, 1Cr12 steel coils, 1Cr12 steel strips, 1Cr12 Steel pipe, 1Cr12 steel bar, etc. If you demand 1Cr12 steel materials, please do not hesitate to contact BBN steel for any kind information and 1Cr12 steel price referrence.
Just like you, 70% customers choose long-term cooperation with BBN steel not only for our good product and service quality, good reputation in the international market, but also for our experienced one-stop raw material supply and further steel processing!
